Aria2 – A Multi-Protocol Command-Line Download Tool for Linux
Aria2 is an open source and free lightweight multi-protocol & multi-server command-line download utility for Windows, Linux and Mac OSX.
It has an ability to download files from multiple protocols and sources including HTTP/HTTPS, FTP, BitTorrent and Metalink. It improves download speed by utilizing maximum download bandwidth and speeds up your download experience.
- Multi-Connection Download – It can download a file from multiple sources/protocols and attempt to use your maximum download bandwidth and improve overall download experience.
- Lightweight – It doesn’t take much memory and CPU utilization. The HTTP/FTP downloads use only 4MB memory and 9MB for BitTorrent downloads.
- Fully Featured BitTorrent Client – A fully featured BitTorrent client with support for DHT, PEX, Encryption, Magnet URI, Web-Seeding, Selective Downloads, Local Peer Discovery and UDP tracker.
- Metalink Enabled – It supports Metalink version 4 and 3, which provides the file verification for HTTP/FTP/SFTP/BitTorrent integration and the different configurations for location, language, OS, etc.
- Remote Control – A RPC interface support to control the aria2 process. The supported interfaces are JSON-RPC (over HTTP and WebSocket) and XML-RPC.
Installing Aria2 Command-Line Download Manager in Linx
This article explains how to install Aria2 command-line download utility in RHEL, CentOS, Fedora and Debian, Ubuntu, Linux Mint systems with some useful download techniques and usage.
# dnf install aria2
Now install Aria2 package from the enabled EPEL repository under your system using YUM command tool.
# yum install epel-release -y # yum install aria2 -y
Sample Output :
Loaded plugins: fastestmirror, langpacks Loading mirror speeds from cached hostfile * base: centos.mirrors.estointernet.in * elrepo: mirror-hk.koddos.net * epel: repos.del.extreme-ix.org * extras: centos.mirrors.estointernet.in * updates: centos.mirrors.estointernet.in Resolving Dependencies --> Running transaction check ---> Package aria2.x86_64 0:1.18.10-2.el7.1 will be installed --> Finished Dependency Resolution Dependencies Resolved ========================================================================================================================== Package Arch Version Repository Size ========================================================================================================================== Installing: aria2 x86_64 1.18.10-2.el7.1 epel 1.3 M Transaction Summary ========================================================================================================================== Install 1 Package Total download size: 1.3 M Installed size: 4.1 M Downloading packages: aria2-1.18.10-2.el7.1.x86_64.rpm | 1.3 MB 00:00:01 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : aria2-1.18.10-2.el7.1.x86_64 1/1 Verifying : aria2-1.18.10-2.el7.1.x86_64 1/1 Installed: aria2.x86_64 0:1.18.10-2.el7.1 Complete!
On Debian/Ubuntu/Linux Mint
$ sudo apt-get install aria2
[email protected]:~$ sudo apt-get install aria2 [sudo] password for ravisaive: Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: ksysguardd libruby1.9.1 ruby1.9.1 Use 'apt-get autoremove' to remove them. The following extra packages will be installed: libc-ares2 The following NEW packages will be installed: aria2 libc-ares2 0 upgraded, 2 newly installed, 0 to remove and 234 not upgraded. 10 not fully installed or removed. Need to get 1,651 kB of archives. After this operation, 4,536 kB of additional disk space will be used. Do you want to continue [Y/n]? y Get:1 http://in.archive.ubuntu.com/ubuntu/ saucy/main libc-ares2 i386 1.10.0-2 [38.3 kB] Get:2 http://in.archive.ubuntu.com/ubuntu/ saucy/universe aria2 i386 1.17.0-1 [1,613 kB] Fetched 1,651 kB in 7s (235 kB/s)
Note: Sometimes, the default repositories don’t provide the latest version. So, in that case you might need to compile and install it from the source package as shown here.
Aria2 Download Usage & Examples
Here we will explore some of useful aria2 download usage and options with their examples.
Download from WEB
To download a single file from the web, execute the command as.
# aria2c http://releases.ubuntu.com/disco/ubuntu-19.04-desktop-amd64.iso
Download from Two sources
To download multiple files, say two files, then run the following command.
# aria2c http://releases.ubuntu.com/disco/ubuntu-19.04-desktop-amd64.iso http://releases.ubuntu.com/cosmic/ubuntu-18.10-desktop-amd64.iso
Download using Two connections
To download file using only two connections per host, then use the option -x2 (connection 2) as shown below.
# aria2c -x2 http://releases.ubuntu.com/disco/ubuntu-19.04-desktop-amd64.iso
Download from BitTorrent
To download torrent file use the following command.
# aria2c http://releases.ubuntu.com/disco/ubuntu-19.04-desktop-amd64.iso.torrent
Download from Metalink
To download a metalink file, use the following command.
$ aria2c http://example.org/mylinux.metalink
Download URLs found in a text file
To download a list of URL’s written in a text file called downloadurls.txt, then use the following command. The URL‘s should contain one download per line in a downloadurls.txt file.
# aria2c -i downloadurls.txt
Set Download Speed Limit
To set a download speed limit per download, use the following option.
# aria2c –max-download-limit=100K http://releases.ubuntu.com/disco/ubuntu-19.04-desktop-amd64.iso.torrent
For more usage and options, open a terminal and run the command as “man aria2c“. There are also graphical front-ends available for Aria2, you can find them at aria2 page.